Wendy L. Freedman

John & Marion Sullivan University Professor of Astronomy & Astrophysics, Department of Astronomy and Astrophysics

Ph.D. in Astronomy, University of Toronto, 1984
 
Contact Information
Phone: (773) 834-5651
Location: ERC 535
Email: wfreedmanuchicago.edu
 
Research
Observational cosmology, Hubble constant, dark energy, extragalactic distance scale, supernovae, Cepheids, galaxy evolution, initial mass function.

Ongoing Scientific Projects:
 
Students
GRADUATE STUDENTS

 
Currently in Committees
  • Wednesday Colloquium committee
  • Strategic Policy Team (SPT)

 
KICP Publications
2019 | 2018 | 2017 | 2016


Latest Journal Publications
  1. "New near-infrared JHKs light-curve templates for RR Lyrae variables", Astronomy & Astrophysics, Volume 625, id.A1, 19 pp (May 2019)
  2. "The Key Role of Supernova Spectrophotometry in the Next-Decade Dark Energy Science Program", Astro2020: Decadal Survey on Astronomy and Astrophysics, science white papers, no. 494; Bulletin of the American Astronomical Society, Vol. 51, Issue 3, id. 494 (2019) (May 2019)
  3. "Gravity and Light: Combining Gravitational Wave and Electromagnetic Observations in the 2020s", Astro2020: Decadal Survey on Astronomy and Astrophysics, science white papers, no. 295; Bulletin of the American Astronomical Society, Vol. 51, Issue 3, id. 295 (2019) (May 2019)
  4. "Gravity and Light: Combining Gravitational Wave and Electromagnetic Observations in the 2020s", arXiv:1903.04553 (Mar 2019)
  5. "VizieR Online Data Catalog: The NIR tip of RGB. I. JHK photometry of IC1613 (Madore+, 2018)", VizieR On-line Data Catalog: J/ApJ/858/11. Originally published in: 2018ApJ...858...11M (Mar 2019)
  6. "VizieR Online Data Catalog: RR Lyrae variables NIR light-curve templates (Braga+, 2019)", VizieR On-line Data Catalog: J/A+A/625/A1. Originally published in: 2019A&A...625A...1B (Mar 2019)
  7. "On a New Method to Estimate the Distance, Reddening, and Metallicity of RR Lyrae Stars Using Optical/Near-infrared (B, V, I, J, H, K) Mean Magnitudes: ω Centauri as a First Test Case", The Astrophysical Journal, Volume 870, Issue 2, article id. 115, 21 pp. (2019) (Jan 2019)
  8. "Carnegie Supernova Project-II: Extending the Near-infrared Hubble Diagram for Type Ia Supernovae to z ˜ 0.1", Publications of the Astronomical Society of the Pacific, Volume 131, Issue 995, pp. 014001 (2019) (Jan 2019)
  9. "Carnegie Supernova Project-II: The Near-infrared Spectroscopy Program", Publications of the Astronomical Society of the Pacific, Volume 131, Issue 995, pp. 014002 (2019) (Jan 2019)
  10. "LIGO/Virgo S190425z: Further confirmation for the classification of PS19qp/AT 2019ebq as a supernova.", GRB Coordinates Network, Circular Service, No. 24295, #1 (2019/April-0) (n/a 2019)
  11. "The Carnegie Supernova Project: Absolute Calibration and the Hubble Constant", The Astrophysical Journal, Volume 869, Issue 1, article id. 56, 23 pp. (2018) (Dec 2018)
  12. "The Carnegie-Chicago Hubble Program: Calibration of the Near-infrared RR Lyrae Period-Luminosity Relation with HST", The Astrophysical Journal, Volume 869, Issue 1, article id. 82, 8 pp. (2018) (Dec 2018)
  13. "New Near-Infrared $JHK_s$ light-curve templates for RR Lyrae variables", arXiv:1812.06372 (Dec 2018)
  14. "The Carnegie RR Lyrae Program: mid-infrared period-luminosity relations of RR Lyrae stars in Reticulum", Monthly Notices of the Royal Astronomical Society, Volume 480, Issue 3, p.4138-4153 (Nov 2018)
  15. "SMHASH: a new mid-infrared RR Lyrae distance determination for the Local Group dwarf spheroidal galaxy Sculptor", Monthly Notices of the Royal Astronomical Society, Volume 481, Issue 1, p.578-595 (Nov 2018)
  16. "VizieR Online Data Catalog: RRLs in globulars. V.ω Centauri NIR photometry (Braga+, 2018)", VizieR On-line Data Catalog: J/AJ/155/137. Originally published in: 2018AJ....155..137B (Nov 2018)
  17. "An Independent Determination of the Hubble Constant", HST Proposal. Cycle 26, ID. #15642 (Nov 2018)
  18. "The Carnegie-Chicago Hubble Program. V. The Distances to NGC 1448 and NGC 1316 via the Tip of the Red Giant Branch", The Astrophysical Journal, Volume 866, Issue 2, article id. 145, 9 pp. (2018) (Oct 2018)
  19. "SMHASH: anatomy of the Orphan Stream using RR Lyrae stars", Monthly Notices of the Royal Astronomical Society, Volume 479, Issue 1, p.570-587 (Sep 2018)
  20. "VizieR Online Data Catalog: The CSP (DR3): photometry of low-z SNe Ia (Krisciunas+, 2017)", VizieR On-line Data Catalog: J/AJ/154/211. Originally published in: 2017AJ....154..211K (Aug 2018)

Latest Conference Proceedings
  1. "Multiwavelength Gaia DR2 Calibration of the RR Lyrae Period-Luminosity-Metallicity Relation", American Astronomical Society, AAS Meeting #233, id.#373.02 (Jan 2019)
  2. "Multiwavelength Gaia DR2 Calibration of the RR Lyrae Period-Luminosity-Metallicity Relation", American Astronomical Society, AAS Meeting #233, id.373.02 (Jan 2019)
  3. "Metallicity-Corrected Tip of the Red Giant Branch Distances to M66 and M96", American Astronomical Society, AAS Meeting #232, id. 319.03 (Jun 2018)
  4. "Increasing Accuracy and Increasing Tension in Ho", American Astronomical Society, AAS Meeting #229, id.234.01 (Jan 2017)
  5. "Star Formation as a Function of Neutral Hydrogen Gas Density in Local Group Galaxies", American Astronomical Society, AAS Meeting #228, id.319.04 (Jun 2016)
  6. "Accepted Facts in Observational Cosmology", American Astronomical Society, AAS Meeting #228, id.204.01 (Jun 2016)
  7. "The Next Generation of Optical Telescopes", APS April Meeting 2016, abstract id. Y7.001 (Mar 2016)